Av'Grizlo Farseer

Hexproof from cards named with Av'Grizlo.
When Av'Grizlo enters the battlefield,
look at target opponent's hand and secretly
name a nonland card. When that card is played,
you may reveal your prediction to draw a card.
{w/u}{w/u}{t}: Exile target creature, then return
it to the battlefield under its owner's control.